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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2000-2009 Oracle. All rights reserved.
*
* $Id$
*/
#include "db_config.h"
#include "db_int.h"
#include "dbinc/db_page.h"
#include "dbinc/db_am.h"
#include "dbinc/mp.h"
#include "dbinc/partition.h"
#include "dbinc/qam.h"
static int __env_lsn_reset __P((ENV *, DB_THREAD_INFO *, const char *, int));
/*
* __env_lsn_reset_pp --
* ENV->lsn_reset pre/post processing.
*
* PUBLIC: int __env_lsn_reset_pp __P((DB_ENV *, const char *, u_int32_t));
*/
int
__env_lsn_reset_pp(dbenv, name, flags)
DB_ENV *dbenv;
const char *name;
u_int32_t flags;
{
DB_THREAD_INFO *ip;
ENV *env;
int ret;
env = dbenv->env;
ENV_ILLEGAL_BEFORE_OPEN(env, "DB_ENV->lsn_reset");
/*
* !!!
* The actual argument checking is simple, do it inline, outside of
* the replication block.
*/
if (flags != 0 && flags != DB_ENCRYPT)
return (__db_ferr(env, "DB_ENV->lsn_reset", 0));
ENV_ENTER(env, ip);
REPLICATION_WRAP(env,
(__env_lsn_reset(env, ip, name, LF_ISSET(DB_ENCRYPT) ? 1 : 0)),
1, ret);
ENV_LEAVE(env, ip);
return (ret);
}
/*
* __env_lsn_reset --
* Reset the LSNs for every page in the file.
*/
static int
__env_lsn_reset(env, ip, name, encrypted)
ENV *env;
DB_THREAD_INFO *ip;
const char *name;
int encrypted;
{
DB *dbp;
int t_ret, ret;
/* Create the DB object. */
if ((ret = __db_create_internal(&dbp, env, 0)) != 0)
return (ret);
/* If configured with a password, the databases are encrypted. */
if (encrypted && (ret = __db_set_flags(dbp, DB_ENCRYPT)) != 0)
goto err;
/*
* Open the DB file.
*
* !!!
* Note DB_RDWRMASTER flag, we need to open the master database file
* for writing in this case.
*/
if ((ret = __db_open(dbp, ip, NULL,
name, NULL, DB_UNKNOWN, DB_RDWRMASTER, 0, PGNO_BASE_MD)) != 0) {
__db_err(env, ret, "%s", name);
goto err;
}
ret = __db_lsn_reset(dbp->mpf, ip);
#ifdef HAVE_PARTITION
if (ret == 0 && DB_IS_PARTITIONED(dbp))
ret = __part_lsn_reset(dbp, ip);
else
#endif
if (ret == 0 && dbp->type == DB_QUEUE)
#ifdef HAVE_QUEUE
ret = __qam_lsn_reset(dbp, ip);
#else
ret = __db_no_queue_am(env);
#endif
err: if ((t_ret = __db_close(dbp, NULL, 0)) != 0 && ret == 0)
ret = t_ret;
return (ret);
}
/*
* __db_lsn_reset -- reset the lsn for a db mpool handle.
* PUBLIC: int __db_lsn_reset __P((DB_MPOOLFILE *, DB_THREAD_INFO *));
*/
int
__db_lsn_reset(mpf, ip)
DB_MPOOLFILE *mpf;
DB_THREAD_INFO *ip;
{
PAGE *pagep;
db_pgno_t pgno;
int ret;
/* Reset the LSN on every page of the database file. */
for (pgno = 0;
(ret = __memp_fget(mpf,
&pgno, ip, NULL, DB_MPOOL_DIRTY, &pagep)) == 0;
++pgno) {
LSN_NOT_LOGGED(pagep->lsn);
if ((ret = __memp_fput(mpf,
ip, pagep, DB_PRIORITY_UNCHANGED)) != 0)
break;
}
if (ret == DB_PAGE_NOTFOUND)
ret = 0;
return (ret);
}
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